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The World's Largest Hedge Fund Is a Fraud

Harry Markopolos · 2005

"Bernard Madoff's impossibly smooth returns are mathematically inconsistent with any real strategy; the fund is either front-running or a Ponzi scheme."

The idea

In 1999, financial analyst Harry Markopolos realized that Bernie Madoff's impossibly consistent returns could not be replicated mathematically. He alerted the SEC multiple times that Madoff was running a massive Ponzi scheme, but was ignored for nearly a decade.

Why it works

Madoff claimed to use a 'split-strike conversion' strategy, buying blue-chip stocks and hedging with options. Markopolos reverse-engineered the strategy and found that the options volume required to execute Madoff's trades exceeded the total existing volume on the Chicago Board Options Exchange. Madoff wasn't trading at all; he was simply using new investor capital to pay fake returns to older investors.

The takeaway — recall it first
Check your understanding

What was the mathematical smoking gun that proved Madoff was a fraud years before he was caught?

Further reading

Read more about the topic

The explanation above is written with AI assistance. These are the originals — go to them to check it.

  • Interview with the Madoff whistleblower: "No One Would Listen"WBUR
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